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29213 (1991 SJ)
Classification: Main-belt Asteroid          SPK-ID: 2029213
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166489186327677 5.8212e-08  
a 2.196148910407924 1.0096e-08 AU
q 1.939970514852309 1.2697e-07 AU
i 5.200568259824368 5.1673e-06 deg
node 139.4969867986352 6.6745e-05 deg
peri 83.70215607982885 7.0296e-05 deg
M 164.1333216417007 2.183e-05 deg
tp 2456458.517378765772
(2013-Jun-15.01737877)
7.1806e-05 JED
period 1188.751569107039
3.25
8.1973e-06
2.244e-08
d
yr
n .302838716983081 2.0883e-09 deg/d
Q 2.45232730596354 1.1274e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      941  
   data-arc span      8420 days (23.05 yr)  
   first obs. used      1991-09-15  
   last obs. used      2014-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49481  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:00:24  

Additional Information
 Earth MOID = .941201 AU 
 T_jup = 3.654 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO309380  

29213 (1991 SJ)          Discovered 1991-Sep-29 by McNaught, R. H. at Siding Spring (413)
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 SJ = 2000 CB95 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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